---
cve: "CVE-2026-105852"
severity: "MEDIUM"
cvss: 6.9
epss: ""
vendor: "payloadcms"
kev: false
exploited: false
published: "2026-10-06 17:17:20"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-10-24T04:42:13+02:00"
---

# CVE-2026-105852

> 6.9 MEDIUM · 🧪 PoC

## Beschreibung

Payload is a free and open source headless content management system. In versions before 3.90.0 and canary versions before 4.0.0-canary.34, querying a readable collection with a relationship to another collection can expose information about related documents protected by access.read where constraints. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.

## CNA-Record (Kanon, cvelistV5)

- CNA: **GitHub_M**
- State: PUBLISHED
- Stand: 2026-10-06 17:22:49
- CNA-CVSS: **6.9** (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N`)

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **none**
  - Automatable: **yes**
  - Technical Impact: **partial**

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |

## Schwachstellen-Klasse

- **CWE-862** — Missing Authorization
  The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

## Angriffsmuster (CAPEC)

- [CAPEC-665 — Exploitation of Thunderbolt Protection Flaws](https://capec.mitre.org/data/definitions/665.html) _(Severity: Very High)_

## ATT&CK-Techniken

- [T1211 — Exploitation for Defensive Evasion](https://attack.mitre.org/techniques/T1211/)
- [T1542.002 — Pre-OS Boot: Component Firmware](https://attack.mitre.org/techniques/T1542/002/)
- [T1556 — Modify Authentication Process](https://attack.mitre.org/techniques/T1556/)

## Patch verfügbar (OSV)

- e10b60228b92b680663110ea2af431643bfc6126 (Commit)
- 94059cf4bc6170ce88453015c0c6551329ae3982 (Commit)

## Referenzen

- <https://github.com/payloadcms/payload/security/advisories/GHSA-7c34-32v3-j575>
- <https://github.com/payloadcms/payload/commit/94059cf4bc6170ce88453015c0c6551329ae3982>
- <https://github.com/payloadcms/payload/releases/tag/v3.90.0>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2026-105852/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_